Mac client cannot establish a connection with my NextCloud Service

Hello,
My Mac client cannot connect to my NextCloud service properly.

My Mac uses m2 processor and the system version number is 14.5.
NextCloud client version is 3.14.0.

In the same network environment, my macOS NextCloud client cannot connect to my service, but my Android phone can connect normally, and my macOS can also interact with the service normally through a browser (such as Google Chrome).

I tried to capture the packet to view the packet interaction process, and found that when using the client connection, the other party would disconnect when tls negotiation reached client-hello.

Did you allow NC to search for devices in your local network when asked?

I have the same issue when not allowing that.
See here: Nextcloud Desktop App macOS: Find local devices

Thank you for sharing. I am using macOS 14.5. I did not find any setting about “Allow an app to access the local network” in the settings. I am wondering whether to upgrade to macOS 15.

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